2 Best Transmission Fluids with GL-5 Specification

2 Best Transmission Fluids with GL-5 Specification

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"GL-5 is a gear oil specification for heavy-duty axles and some manual transmissions, offering high extreme pressure properties." "GL-5 is a gear oil specification developed by the American Petroleum Institute (API) for use in heavy-duty axles and some manual transmissions. It designates a high level of extreme pressure (EP) additives, which provide superior protection against gear tooth wear under severe high-speed, high-torque, and high-temperature conditions. GL-5 oils contain about twice the EP additives of GL-4 oils, making them ideal for hypoid gears found in many differentials. However, the higher level of EP additives can potentially cause issues with brass or bronze components in some manual transmissions. GL-5 fluids are commonly used in rear axles of trucks and high-performance vehicles, as well as in some heavy-duty manual transmissions. It's crucial to use the GL rating specified by the vehicle manufacturer to ensure proper protection and compatibility."
Facts about Best Transmission Fluids with GL-5 Specification
  •  GearMaster Synchro-Max MTF is a MTF type transmission fluid.  The viscosity grade of GearMaster Synchro-Max MTF is SAE 80W-90.  The brand of GearMaster Synchro-Max MTF is GearMaster.  The fluid specifications that GearMaster Synchro-Max MTF meets are API GL-4,GL-5..  GearMaster Synchro-Max MTF is primarily used for Upgrade.  The price of GearMaster Synchro-Max MTF is 52.49.
  •  RallyPro MTF is a MTF type transmission fluid.  The viscosity grade of RallyPro MTF is SAE 75W-90.  The brand of RallyPro MTF is Motul.  The fluid specifications that RallyPro MTF meets are GL-4,GL-5..  RallyPro MTF is primarily used for High-Stress Applications.  The price of RallyPro MTF is 84.99.